The LED Fiber Optic Lighting Kit, model LEB-321, is a versatile and dynamic lighting solution designed to illuminate any space with vibrant RGB colors.

As with all Bushranger 4X4 products, these are engineered tough to withstand the rugged outdoor terrain and harsh Aussie climate. They are backed by a 5-year warranty and our 40+ year history of supplying quality engineered 4X4 products to the Australian market.

Setting themselves apart from the competition with user-control at the forefront of their design has by no means come at the cost of light performance. The Night Hawk Variable Series lights are still some of the most powerful and highest performing driving lights available on the market. Shortly after their release in 2018, the 9” VLI’s won 4X4 Australia’s light of the year award and positioned themselves as the leader of the pack. The VBP and VCT follow in these same footsteps, offering never before seen control while maintaining a high level of light performance and output.

With the highest lumens and 1lux distance in the Variable series range, the VLI allows you to hold the power and take control. The user-controlled light intensity feature gives you the ability to adjust the brightness level to suit your preferred output and the conditions, then adjust on the fly.

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The Night Hawk Variable Series driving lights are available in 3 distinct models which offer differing levels of control. The Variable Light Intensity (VLI) model is dedicated to providing maximum light output while offering a full range of brightness control at the turn of a dial. The VLI functionality flows into the next two models, Variable Beam Pattern (VBP) and Variable Colour Temperature (VCT), which offer the unique ability to not only adjust the brightness but also alter their beam pattern or colour temperature, respectively. All this whilst still maintaining a high level of light performance and all controlled by you at the turn of the dials.

Whether you’re on the open road, amongst dense bush or winding through the tracks, the Variable Beam Pattern option allows you to direct the light to where you need it, and adjust it to suit any terrain that you encounter. A continuation of the innovative user control showcased in our VLI lights, the VBP gives you greater control with the ability to transition from a spot beam to a flood beam at the turn of a dial.

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by SR Tsai · 2017 · Cited by 499 — IR can carry out photostimulation and photobiomodulation effects particularly benefiting neural stimulation, wound healing, and cancer treatment.

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Designed in Australia for our harsh and rugged conditions, our Variable Series driving lights have been proven time and time again, through rigorous lab and field testing, as well as real-world vehicle use in some of the toughest environments our country has to offer.

Too much light can be detrimental to clear vision, as can too little. Similarly, an overly focused beam in the bush or an overly spread beam on the straights does little to improve the night driving experience. Throw in there a range of optimum colour characteristics for different environmental scenarios and you have all the variables that need to work together in harmony to produce the optimum light output for the given conditions. Effective lighting is the refinement of all of these variables to produce a light output that maximises your vision for any night driving condition.

Meeting IP67 and IP69K dust and water ingress standards provide you with the confidence to utilise high-pressure cleaners and traverse deep river crossing without concern of water seepage. Passing tough SAE J575 – Shock/Vibration testing standards further proves the robust construction that will keep you lighting the way no matter what your adventure throws at you.

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With different options for finishes and color temperatures, these dimmable LED lights are a great choice for sloped ceiling recessed lighting in your home.

Comparing the key performance criteria for the 3 models shows that the VLI’s are the clear performance king. However, the functionally superior VCT and VBP lights still hold their own and produce a consistent, high output no matter which beam or colour temperature setting is selected. This means the light is always running at its maximum potential brightness in every setting, so you are not compromising light output when adjusting the colour temperature or beam pattern of the lights.

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LightStim designs and manufactures high quality, easy-to-use LED light therapy devices that combine therapeutic light energy with patented technology to ...

Clearly, depending on what it is that we want to observe, we need to look in different parts of the spectrum, and no one part will tell us everything. The Earth’s atmosphere transmits well in the visible and radio regions, but it blocks out everything from gamma rays to ultraviolet and most of the infrared.  So to study the Universe at those wavelengths we need to launch space-borne observatories.

Light from a moving source also travels at 300,000 km/sec (186,000 miles/sec). Say that Einstein's bike travels at 10% the speed of light (30,000 km/sec): the ...

Taking control of these variables is the key to achieving the optimum light output for your needs. Combining tremendous light output with the ability to adjust on the fly to suit the conditions as they change, you have never had such a high level of control over your night driving vision.

All our products are engineered and designed by our engineering team, we’ve tried and tested each and every product, leaving you to get onto exploring this great country care-free and get you home again.

The Sun has a surface temperature of nearly 6000 Kelvin (where the Kelvin temperature scale is the same as the familiar Centigrade scale except that the zero degrees C is about 273 degrees Kelvin). Its radiation peaks in the visible part of the spectrum at wavelengths of about half a micron, as shown by the yellow-green line in the graph above.

The high-performance Night Hawk Variable Series LED Driving Lights offer industry-leading technology and user control. Consisting of three model variants, they unlock more options to suit the driver’s individual needs when tackling their next adventure. The Bushranger 4X4 team has put user-controlled lighting at the forefront of development, with the ability to choose the optimum settings to suit an individual’s visual preference and adjust to the environment around them. Innovative design sets these lights apart from the rest.

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Launching the first driving light with Variable Light Intensity (VLI) control in 2019, we set a new standard for the industry to follow. Jump forward to today and the VLI lights now make up just one part of the new Night Hawk Variable Series range. With electronically adjustable light intensity standard across the range, and options available for electronic colour temperature and beam pattern adjustment, you now have control like never before.

The electromagnetic spectrum spans a wide range of wavelengths from very short wavelength and highly energetic gamma rays to very long wavelength and low-energy radio waves. The visible part of the spectrum is only a small portion. Infrared light is the same as the light that we can see except that the wavelength is longer and outside the range that our eyes can sense.

It is interesting that the basic technique used by Herschel to discover infrared radiation is still used in modern instruments today, including instruments on board the Herschel satellite – the only real difference is a factor a billion or so in sensitivity.

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There are many factors that can contribute to less-than-optimal lighting scenarios, but the Variable Series lights can be used to take control of the situation and maximise your effective night driving vision. Common scenarios include:

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Night Hawk Driving Lights have been lighting the way since 2007, offering market-leading performance from the early years of Halogen and HID technology to the more recent, efficient and highly versatile LED technology.

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Infrared radiation was discovered by William Herschel in 1800. He was studying the heating effect of different colours of light by using a prism to produce a spectrum of colours and thermometers to measure their heating effect. He noticed that the heating effect got stronger as he went from the blue end of the spectrum to the red. In a moment of inspiration, he moved the thermometer beyond the visible red end and found that the heating effect was even greater.

Ideal for adverse weather and environmental conditions, improve your vision, clarity, and reduce glare with the Variable Colour Temperature option. A high performing LED driving light with complete control of the colour temperature and light intensity output from the driver’s seat. You are no longer locked into a setting that works well in some conditions, but not others.

Clouds of interstellar gas and dust that form stars are typically at temperatures of about 50 K (that’s about –220oC). They glow at far infrared wavelengths and are brightest at about 100 microns (red line in the graph above).  And the universe itself is filled with radiation corresponding to a temperature of just less than 3 K – very cold indeed – with peak emission in the millimetre wavelength range (blue line in the graph above).

Driving at night or in adverse weather presents all sorts of challenges, that having the optimum light output to best suit your vision and the ever-changing conditions around you is key to improving your driving experience. It’s no longer about having the brightest lights on the market; it’s all about control, to gain the most effective lighting for your situation.

The LED’s sit within a strong, pressure die-cast aluminium housing coated with a durable, UV stable AkzoNobel powder coat.  Supplied with all mounting hardware, the driving lights are attached by adjustable 4mm thick stainless steel brackets. The hard-coated polycarbonate lens offers long term scratch resistance ensuring maximum optical efficiency and are supplied with optional protective covers for those who want that extra protection in harsh environments.

In fact all objects glow (emit electromagnetic radiation), and they do this in the part of the electromagnetic spectrum that depends on their temperature. The diagram below shows how bright objects of different temperatures appear at difference wavelengths.

In rare cases, a dot of light from a red laser pointer may be thought to be due to a laser gunsight. ... When pointed at aircraft at night, laser pointers may ...

We humans, slightly warmer than room temperature, glow in the mid infrared and we’re brightest at about 10 microns wavelength (black line in the graph).   These days we are all familiar with infrared imaging, which allows us to see in the dark using electronic detectors that record infrared light emitted by warm objects such as people.  The pictures below show SPIRE team member Prof. Peter Ade in visible light (wavelength about 0.5 micron) and infrared light (about 10 microns).

The whole region with wavelengths ranging from 1 micron to 1 mm is loosely called the “infrared”, but astronomers tend to break this up into sub-regions:  the “near infrared” (from 1 to 5 microns); the “mid infrared” (5 to 30 microns), the “far infrared” (from 30 to 300 microns) and the “submillimetre” (from 300 microns to 1 mm).  The exact boundaries are somewhat arbitrary, and the exact definitions can vary.